商品名 : Betamethasone 17-valerate
CAS番号 : 2152-44-5
分子式 : C27H37FO6
分子量 : 476.58
Content : 99%
Betamethasone-17-valerate is a high-potency topical fluorinated corticosteroid with low systemic effects. It has been classified as group D by Coopman et al. According the A-D grouping, patch-test reactions occur 6-7 times more frequently within well-defined groups of structurally related chemicals than between corticosteroids of different groups.
Betamethasone topical is used to help relieve redness, itching, swelling, or other discomfort caused by skin conditions. Betamethasone foam is used for scalp problems. This medicine is a corticosteroid (cortisone-like medicine or steroid).
1)Betamethasone 17-Valerate is a corticosteroid with anti-inflammatory properties. Topical application of Betamethasone 17-Valerate
2)been shown to inhibit heat-induced vasodilatation in man.
3)Antiepileptic non-selective phosphodiesterase inhibitor
4)Betamethasone 17-valerate is a glucocorticoid with anti-inflammatory and immunosuppressive activity.
5)A potent glucocorticoid steroid with anti-inflammatory and immunosuppressive properties.
| Test Items |
Betamethasone Valerate |
Results of Analysis |
| 外観 |
白色またはほぼ白色の結晶性粉末 |
準拠 |
| 溶解性 |
soluble in acetone and in methylene |
準拠 |
| 識別 |
Complies with the Standard |
準拠 |
| Specific rotation |
+75°～+82° |
+76.5° |
| 乾燥減量 |
≤0.5% |
0.09% |
| 着火残留物 |
≤0.2% |
0.05% |
| any individual impurity |
≤1.0% |
0.79% |
| total impurities |
97.0%～103.0% |
100.20% |
| Particle size |
100% ≤30Microns |
準拠 |
| 残留溶剤 |
Meet the ICH requirements |
complies |
| 結論 |
The specification comply with USP35 Standard |
